Lesson 1 - Introduction to I/O Devices


Digital and analog devices; Interfaces; Keyboards; Mice; Digitizers; Displays; Printers; Plotters; Storage devices; Limit switches; Shaft encoders

Learning Objectives:
– State the function of input/output (I/O) devices.
–  Contrast digital and analog I/O devices.
– Describe three different types of input devices that are used by operators for entering data and commands into a computer.
– Describe three different types of output display devices.
– Compare floppy disk and hard disk mass storage.
– Explain the difference between binary and Gray code.

Lesson 2 - Communication Systems


Serial/parallel communication; Frequency and phase modulation; Half- and full-duplex operation; Local data systems; LANs and configurations

Learning Objectives:
– Describe the differences between serial and parallel communication.
– Explain how microcomputer systems communicate.
– Discuss two different kinds of modulation used in data communication.
– Define the term network as it is applied to microcomputer systems.
– Describe the components that make up a network.
– Identify several different LAN configurations.

Lesson 3 - User/Machine Interface


Data transmission standards; Monitors, keyboards, and encoders; USART; Character generator; CRT; Graphics; Monitor accessories

Learning Objectives:
– Discuss ASCII code and the related data transmission standards.
– Identify and describe the main components of a display monitor system.
– Explain how information is displayed on a computer screen.
– Identify several accessories that can be used with a display monitor system.

Lesson 4 - Networks


Distributed processing; LAN accessing techniques and topologies; Data packets; Broadband and baseband systems; Ethernet

Learning Objectives:
– Discuss the evolution of computer networks.
– Explain the term distributed processing.
– Describe the local area network (LAN) concept.
– Explain the differences between the two LAN accessing techniques, and between the two LAN topologies, discussed in this Lesson.

Lesson 5 - Specific System Applications


Application I/O; Small-scale dedicated controller example; General-purpose business system example; System requirements; Software

Learning Objectives:
– Describe two methods used by microprocessors to access I/O devices.
– Discuss the different functions of a small-scale, dedicated microcomputer.
– List some of the functions of a general-purpose business microcomputer.
– Explain how hardware is selected for a small-scale, dedicated system.
– Identify some of the tasks that the software used with a typical general-purpose business microcomputer must be able to accomplish.